Aiphone Wireless TV Door Phone Set ・Entrance unit: WL-DA ・Monitor master unit: WL-1ME [Set Contents] ・Entrance unit (WL-DA) ・Monitor master unit (WL-1ME) ・Charging stand ・AC adapter ※Everything in the photos is included. Battery and power tested, and confirmed to be working. Calling, communication, and video display all worked without issue. Cleaned, but this is a used item that a family has used. There are minor scratches and small marks from use, so please purchase only if you understand that this is a used item. ※Please refrain from purchasing if you are sensitive to such things. Because it is a wireless type, it is an easy-to-install model that does not require wiring work. You can check the detailed specifications on the Aiphone official website with "WL-DA / WL-1ME".